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Fragile X Syndrome : Causes

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Causes List

Causes could include:
  • Genetic Diseases, X-Linked

Causes Overview Articles

Fragile X syndrome
Fragile X syndrome is caused by a change in the FMR1 gene. The gene's code is repeated on a fragile area of the X chromosome.
Source:ADAM
Date:June 24, 2007
Fragile X syndrome
In order to understand fragile X syndrome it is important to understand how human genes and chromosomes influence this condition. Normally, each cell in the body contains 46(23 pairs of) chromosomes.
Source:Gale Encyclopedia of Genetic Disorders Part I
Fragile X Syndrome
This stage of expansion is called a premutation. People who carry a premutation do not usually have symptoms of fragile X syndrome; although there have been reports of individuals with a premutation and subtle intellectual or behavioral symptoms.
Source:Gale Encyclopedia of Medicine
Fragile X Syndrome
In order to understand fragile X syndrome it is important to understand how human genes and chromosomes influence this condition. Normally, each cell in the body contains 46(23 pairs of) chromosomes.
Source:Gale Encyclopedia of Genetic Disorders Part II
Fragile X Syndrome
For reasons not fully understood, the CGG sequence in the FMR-1 gene can expand through succeeding generations to contain between 54 and 230 repeats. This stage of expansion is called a premutation.
Source:Gale Encyclopedia of Children's Health

Specific Causes Articles

Types of Genetic Diseases
Detailed information on the different types of genetic diseases that can affect a pregnancy
Source:StayWell
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